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From: syzbot <syzbot+d7b4dc6cd50410152534@syzkaller.appspotmail.com>
To: ryasuoka@redhat.com
Cc: ryasuoka@redhat.com, syzkaller-bugs@googlegroups.com,
	 linux-kernel@vger.kernel.org
Subject: Re: [PATCH net] nfc: nci: Fix uninit-value in nci_rx_work
Date: Fri, 05 Apr 2024 08:38:29 -0700	[thread overview]
Message-ID: <00000000000059838206155b3fbb@google.com> (raw)
In-Reply-To: <ZhAa7XH4uEM6yj5u@zeus>

> #syz test: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git

want either no args or 2 args (repo, branch), got 5

>
> diff --git a/net/nfc/nci/core.c b/net/nfc/nci/core.c
> index 0d26c8ec9993..b7a020484131 100644
> --- a/net/nfc/nci/core.c
> +++ b/net/nfc/nci/core.c
> @@ -1516,7 +1516,7 @@ static void nci_rx_work(struct work_struct *work)
>  		nfc_send_to_raw_sock(ndev->nfc_dev, skb,
>  				     RAW_PAYLOAD_NCI, NFC_DIRECTION_RX);
>  
> -		if (!nci_plen(skb->data)) {
> +		if (!skb->len || !nci_plen(skb->data)) {
>  			kfree_skb(skb);
>  			break;
>  		}
>

       reply	other threads:[~2024-04-05 15:38 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <ZhAa7XH4uEM6yj5u@zeus>
2024-04-05 15:38 ` syzbot [this message]
2024-04-07  8:05 [PATCH net] nfc: nci: Fix uninit-value in nci_rx_work Ryosuke Yasuoka
2024-04-08  9:55 ` Eric Dumazet
2024-04-11  6:16   ` Ryosuke Yasuoka

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